2. Giả thiết có khai báo sau: Var x: real; ch: char:

i: integer; b: Boolean;

p: byte;

Hãy cho giá trị mỗi biến trên để phù hợp với kiểu dữ liệu?

Mastercard managers are motivated to increase (1) the number of individuals who have and use a mastercard credit card, (2) the number of banks and other clents who issue mastercards to customers and/or employees, and (3) the number of locations that accept mastercard payments. discuss how mastercard could use its data warehouse to it expand each of these customer bases.